arduino gsm security alarm. ... // RX and TX pins to communicate with GSM module #define msg_key 7 #define call_key 8 #define end_key 9 String number ="0000000000"; // Add the 10-Digit Mobile Number ...

An Arduino is equipped with a piezo sensor to detect impact, and a GSM shield takes care of the texting. It’s an interesting concept, similar to requiring police officers to wear body cameras.

How to send a GET and POST request with AT commands using the SIM900 GSM/GPRS module and the Arduino UNO. This is useful for retrieving data from the Web and sending data to a web server for Internet ...

Open the gsm_communication.ino file in Arduino IDE. Install the SoftwareSerial library if not already installed. Connect the GSM module to Arduino: TX of GSM to Pin 10 of Arduino; RX of GSM to Pin 11 ...

Arduino Code for A9G GSM GPS Module. The code to interface the A9G GSM/GPS module with Arduino is very simple and easy to understand, but before we start we need to download and install TinyGPSPlus.h ...

September 25, 2013 at 12:48 pm +1 most.fun.ever :D. Report comment. ... If you require that the GSM module be powered off the Arduino shield, those 2A spikes severely constrain your choices.

It is built around an Arduino Uno board (MOD1), GSM module SIM800L (MOD2), an ultrasonic sensor module (S1), and a few other components. Fig. 1: Circuit Diagram for Arduino based Sewer Drain Shield.